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Philosophy of care
"I like building relationships with my patient and their familes and watching the child grow and develop."
"I like building relationships with my patient and their familes and watching the child grow and develop."

Maria Onagan, M.D.



Affiliations Presence Medical Group
Presence Health Partners
Unite Here Health
Hospitals Presence Saint Joseph Medical Center-Joliet
Years in practice 6
Languages spoken English
Education University of Santo Tomas Hospital - University of Santo Tomas Faculty of Medicine, Philippines ; Monmouth Medical Center - Saint Barnabas Health Care System, New Jersey (Residency)
Extended/Weekend Hours Evening and weekend hours Handicap Accessible Handicap accessible Convenient Parking Convenient parking
Office 1
410 E. Lincoln Hwy.
New Lenox, IL 60451
Ph 815.485.2541
Fax 815.485.2667
Office hours [+]
Extended/Weekend Hours




Aetna Cofinity PPO Aetna HMO Aetna Medicare Advantage
Aetna PPO POS All Kids (Medicaid) Beech Street (Viant) PPO
Blue Advantage HMO Blue Choice POS Blue Cross Blue Shield PPO
Choice Care PPO CIGNA Care Network CIGNA Choice Fund
CIGNA HMO CIGNA Open Access/Open Access+ CIGNA PPO (State of IL)
CIGNA PPO POS Coresource CorVel PPO
Coventry/First Health Evolutions Healthcare Family Health Network - MAID
First Health (Coventry) Galaxy Health Network Great West HMO (CIGNA)
Great West PPO, POS (CIGNA) HealthSpring MARE Advntg HMO HFN PPO
HMO Illinois Humana HMO Humana PPO POS
IlliniCare (Medicaid) Illinois Health Connect (MAID) Illinois Healthy Woman - MAID
Medicaid Medicare Medicare HMO-Sterling Only
Multiplan / PHCS PPO Multiplan / PHCS Savility National EPO
National HMO National POS-Open Access Payment/Financing Plan
PHCS PPO, EPO (Multiplan) Preferred Plan Inc. PPO UHC Ever Care Medicare Advntg
UHC HMO UHC PPO POS Blue Cross Medicare Advntg HMO
Aetna Choice POS / SmartCare CorCare (CorVel) First Health/Coventry Health
Savility (PHCS, Multiplan) Presence Health EPO / BCBS PPO Blue Choice PPO

Maria Onagan, MD earned her medical degree from the University of Santo Tomas Philippines. She completed an internship at Saint Luke’s Medical Center Hospital, Philippines and residency training in pediatrics at Cardinal Santos Medical Center, Philippines and The Children’s Hospital at Monmouth Medical Center, New Jersey.

Dr. Onagan is board certified in pediatrics and is on the medical staff at Presence Saint Joseph Medical Center in Joliet. Her clinical interests include working with parents toward the growth and development of their child as well as childhood nutrition, asthma and obesity.